Re: [rtcweb] JSEP-06: max-bundle policy questions

Justin Uberti <juberti@google.com> Sun, 02 March 2014 21:46 UTC

Return-Path: <juberti@google.com>
X-Original-To: rtcweb@ietfa.amsl.com
Delivered-To: rtcweb@ietfa.amsl.com
Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 31F381A0B18 for <rtcweb@ietfa.amsl.com>; Sun, 2 Mar 2014 13:46:08 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.925
X-Spam-Level:
X-Spam-Status: No, score=-1.925 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, FM_FORGED_GMAIL=0.622, HTML_MESSAGE=0.001, RP_MATCHES_RCVD=-0.547, SPF_PASS=-0.001] autolearn=ham
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 7QWwRzg9zAhQ for <rtcweb@ietfa.amsl.com>; Sun, 2 Mar 2014 13:46:06 -0800 (PST)
Received: from mail-vc0-x236.google.com (mail-vc0-x236.google.com [IPv6:2607:f8b0:400c:c03::236]) by ietfa.amsl.com (Postfix) with ESMTP id 5B2051A0A3D for <rtcweb@ietf.org>; Sun, 2 Mar 2014 13:46:06 -0800 (PST)
Received: by mail-vc0-f182.google.com with SMTP id id10so2889879vcb.27 for <rtcweb@ietf.org>; Sun, 02 Mar 2014 13:46:03 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc:content-type; bh=LgRKvW4J/u2RrlrnE2651lz3xaM1TjwSwkLsv0NRe/o=; b=lKAlW4fcBP5gKyi1g4AqjQReeL2KsUUq1YwBPLUKvJJTVgV7L7ZEsdDtZEa3zNAGvL 7NSbHxANk+B7XNVsMPy3rleGhcKSIW6lQQ94oMdWCdHsHCCLdsjU8a/l2Sttv8V4b16+ UEXbqLJy6jruVu5yLSfdHzxw514YcgKVFiCI+GvMwKu17Jmxc7lpAbKnB+MkhNJFd9n2 FTjy1ZBG6yh21je5hU0W5A1/ehnbWy3rrknbyG+8GfZj3LZDZE6qZ5ib0ByF+Gt+KRo8 XDIToRAqB4dPc1HGq5tZCE+OuL1t2BlC2+pc60Vjr6f3c5SO5O4bETlQjyYgxnYHub5T Um0g==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc:content-type; bh=LgRKvW4J/u2RrlrnE2651lz3xaM1TjwSwkLsv0NRe/o=; b=ADX5fskqCpaDLhZapMsV6RK233UB+AlJwwzpxNokmEnwGHNCaVpdy9EzXKgbsWDQUe 9mnsKHgQYx8X3jRlyXzgs9TEH89Tic4pifZj4WBDOX2T0Yrd6el+KI7p2KpHfcmFWZkD Hso9zLfVkpNGqe/PcwmhXD/g3JphX61A5WYZKUeOCDpPkJlFZoOqBd30QKsuBRYV+6hs j7Rjzj6Jfc6qjCURFG8yEsGvYf0H0pSAGbvR6y+MYnXYj0QDn4Gi+zkTXVzvcxUzIfho 3+3quQnYJd5zJ5xJ7P/F16U8P72Qx/bPMg7fPw7Dtec/F4Ga1OFBdeJNvSgADFiAOpgA PCIg==
X-Gm-Message-State: ALoCoQlyl5Wbl8m5R4pG8YYY12x/XgmkIica7C9LIJ0OE1yAZHHc3mLvrNK4IUQK/mST40YDh8Y0UhdjORzO9ga0Xb1Gl+bnkDSNqoRs9F9TV6S8txNpZrOgOr8IcK2tt+vk65JhirKzqmFGc3faDyMSABgDrsuzHUKD/STMuOz9PQAJ5q0bB0/dyaDAoRdaCCeTsQ7eJGOb
X-Received: by 10.221.37.1 with SMTP id tc1mr1197740vcb.32.1393796763578; Sun, 02 Mar 2014 13:46:03 -0800 (PST)
MIME-Version: 1.0
Received: by 10.52.89.170 with HTTP; Sun, 2 Mar 2014 13:45:43 -0800 (PST)
In-Reply-To: <7594FB04B1934943A5C02806D1A2204B1D1B597C@ESESSMB209.ericsson.se>
References: <7594FB04B1934943A5C02806D1A2204B1D1B552E@ESESSMB209.ericsson.se> <CABkgnnV4fQqL6noAr1ss4-7qxSjtbSL_zvBcHxa7w-M_w-GNAQ@mail.gmail.com> <ounmuomkvyqv65mnd7mt50pp.1393269879902@email.android.com> <CABkgnnXttbpOJ5yALNB3XTo4EQPmh-vn3bV_Qmwz0+A-j8zhWw@mail.gmail.com> <7594FB04B1934943A5C02806D1A2204B1D1B597C@ESESSMB209.ericsson.se>
From: Justin Uberti <juberti@google.com>
Date: Sun, 2 Mar 2014 13:45:43 -0800
Message-ID: <CAOJ7v-3659WdV6p11QV80qjvaXUUrTmK38tJOX8WWrg6Y220AQ@mail.gmail.com>
To: Christer Holmberg <christer.holmberg@ericsson.com>
Content-Type: multipart/alternative; boundary=001a11334c38fb909904f3a6988e
Archived-At: http://mailarchive.ietf.org/arch/msg/rtcweb/F85RBHgjPwVMwrpRxTlqKmBEzEE
Cc: "rtcweb@ietf.org" <rtcweb@ietf.org>
Subject: Re: [rtcweb] JSEP-06: max-bundle policy questions
X-BeenThere: rtcweb@ietf.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: Real-Time Communication in WEB-browsers working group list <rtcweb.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/rtcweb>, <mailto:rtcweb-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/rtcweb/>
List-Post: <mailto:rtcweb@ietf.org>
List-Help: <mailto:rtcweb-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/rtcweb>, <mailto:rtcweb-request@ietf.org?subject=subscribe>
X-List-Received-Date: Sun, 02 Mar 2014 21:46:08 -0000

On Mon, Feb 24, 2014 at 12:01 PM, Christer Holmberg <
christer.holmberg@ericsson.com> wrote:

> Hi,
>
> >> But, should the application then be able to indicate which media type
> (or, even which media source) shall be considered "first"? The browser
> probably has no clue?
> >
> > I think that Justin has proposed a way to identify tracks that should
> not be bundled.  I recall no objections to this [1].  I'd assume that with
> only one track being marked that way, that track could be the one that gets
> ports and the others not.
> >
> >
> > [1]... though I can't find anything in the API spec, and we did have the
> discussion at an IETF meeting and nowhere else.  Maybe the W3C don't know
> about it yet.
>
> JSEP-06 defines different BUNDLE policies, but they are not on per
> track/m-line level.


We had a discussion in Seattle (IIRC) that the "first" track could be the
first one provided to AddTrack, and I think that is simplest. (This of
course requires the AddTrack proposal to go through.)